Who holds it, who is betting against it, and where the big money is moving
Net of large-order buying minus selling, in USD. Over this window: +$722.4K (8 inflow days, 12 outflow days).
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 29.8% of shares outstanding.
Reported short interest has risen from 6.86% to 8.26% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Highland Peak Capital LLC | Hedge Fund | 2026/Q3 | +947,219 | 2.0% |
| Tyro Capital Management, LLC | Hedge Fund | 2026/Q3 | +735,471 | 1.6% |
| BlackRock | Mutual Fund | 2026/Q3 | +457,110 | 6.0% |
| Tudor Investment Corporation | Hedge Fund | 2026/Q3 | +370,838 | 0.8% |
| Morgan Stanley | Public Company | 2026/Q3 | +351,774 | 1.6% |
| Kestra Advisory Services, LLC | Mutual Fund | 2026/Q3 | +265,127 | 0.6% |
| Knightsbridge Asset Management LLC | Mutual Fund | 2026/Q3 | +263,676 | 0.6% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +235,502 | 0.8% |
| LMR Partners LLP | Hedge Fund | 2026/Q3 | +226,937 | 0.5% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +219,974 | 4.5% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +213,710 | 1.9% |
| Boothbay Fund Management, LLC | Hedge Fund | 2026/Q3 | +211,008 | 0.5% |
| Garnet Equity Capital Holdings, Inc. | Hedge Fund | 2026/Q3 | +201,421 | 1.3% |
| Beartown Capital Management, LLC | Hedge Fund | 2026/Q3 | +200,000 | 0.4% |
| UBS Asset Management | Mutual Fund | 2026/Q3 | +178,696 | 0.5% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 13 Jul 2026 | Barbara Sugg | Director | Open Market Acquisition | +5,000 | $17.13 | 5,000 |
| 8 Jul 2026 | Daniel Hudson | Director | Open Market Acquisition | +5,000 | $16.60 | 20,000 |
| 28 Jun 2026 | Daniel Hudson | Director | Open Market Acquisition | +10,000 | $16.98 | 15,000 |
| 24 Jun 2026 | Daniel Hudson | Director | Open Market Acquisition | +5,000 | $17.70 | 5,000 |
| 22 Jun 2026 | Todd Telesz | Chief Financial Officer | Derivative Exercise and Sale | -2,610 | $17.73 | 5,609 |
| 22 Jun 2026 | Todd Telesz | Chief Financial Officer | Derivative Exercise and Retained | +5,609 | $17.73 | 5,609 |
| 15 Jun 2026 | Charles Wesley | Independent Director | Open Market Acquisition | +15,000 | $16.69 | 432,331 |
| 7 Jun 2026 | Matthew White | Chief Legal Officer | Initial Statement of Beneficial | +0 | – | 10,745 |
| 27 May 2026 | David Lubar | Independent Director | Other Derivative Acquisition | +6,316 | – | 6,316 |
| 27 May 2026 | Daniel Hudson | Director | Other Derivative Acquisition | +4,927 | – | 4,927 |
| 27 May 2026 | Charles Wesley | Independent Director | Other Derivative Acquisition | +6,047 | – | 6,047 |
| 27 May 2026 | Zarrell Gray | Director | Other Derivative Acquisition | +6,047 | – | 6,047 |
| 27 May 2026 | Barbara Sugg | Director | Other Derivative Acquisition | +5,375 | – | 5,375 |
| 14 Apr 2026 | Brent Bilsland | Chairperson & CEO | Other Derivative Acquisition | +69,808 | – | 174,886 |
| 14 Apr 2026 | Todd Telesz | Chief Financial Officer | Other Derivative Acquisition | +15,998 | – | 40,905 |
| 14 Apr 2026 | Heath Lovell | President of Hallador Power Company | Other Derivative Acquisition | +23,270 | – | 64,134 |
| 30 Mar 2026 | Heath Lovell | President of Hallador Power Company | Derivative Exercise and Retained | +22,761 | $16.28 | 152,713 |
| 30 Mar 2026 | Heath Lovell | President of Hallador Power Company | Derivative Exercise and Sale | -18,103 | $16.28 | 152,713 |
| 9 Mar 2026 | Eric Van Deman | Senior VP, Chief Accounting Officer & Principal Accounting Officer | Other Derivative Acquisition | +9,973 | – | 9,973 |
| 13 Jan 2026 | Charles Wesley | Independent Director | Other Acquisition | +55,555 | $18.00 | 417,331 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Sep 2026 | 3,894,842 | 8.3% | 6.6 |
| 31 Aug 2026 | 3,546,093 | 7.5% | 5.8 |
| 14 Aug 2026 | 3,370,650 | 7.1% | 3.4 |
| 31 Jul 2026 | 3,180,518 | 6.7% | 4.3 |
| 15 Jul 2026 | 3,279,787 | 7.0% | 4.5 |
| 30 Jun 2026 | 3,232,389 | 6.9% | 3.4 |
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